40oF     Californians shiver uncontrollably, Minnesotans go swimming.

     35oF     Italian cars don't start.

     32oF     Water freezes.
 
     30oF     You can see your breath.  Politicians begin to worry about the
              Homeless.

     25oF     Boston water freezes.
              Cat insists on sleeping on your bed with you.

     20oF     Californians weep pitiably, Minnesotans eat ice cream.
              You can hear your breath.

     15oF     N.Y. City water freezes.
              Politicians begin to talk aobut the homeless.

     12oF     You plan a vacation to Mexico.

     10oF     Too cold to snow

      5oF     You need jumper cables to get the car going.
              Cat insists on sleeping in your bed with you.

      3oF     You plan a vacation in Houston.

      0oF     Too cold to skate.
              American cars don't start.

     -5oF     You can cut your breath and use it to build an igloo.

    -10oF     Too cold to think.
              Politicians actually do something about the homeless.

    -15oF     Cat insists on sleeping in your pajamas with you.
              You need jumper cables to get the driver going.

    -20oF     You plan a 2-week hot bath.

    -25oF     The mighty Monongahela freezes.
              Japanese cars don't start.

    -30oF     Californians disappear, Minnesotans button top button...

    Below -30oF     The kids call home from college.
                  
                  End of the world...